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    Crystal Units

    Crystal units are used as resonators in crystal oscillator circuits and have a highly accurate frequency, tight tolerance and long-term stability. They come in a wide range of frequencies and provide the clock source. Specifications include resonance frequency, resonance mode, load capacitance and series resistance. The mode of oscillation in the resonance frequency operation is specified at the fundamental frequency or the third overtone.

    Crystal Unit Modes

    Crystals have two resonance modes, parallel and series. Load capacitance is an important specification when using parallel-resonant oscillation mode. Oscillator circuits can tolerate some degree of series resistance. Metal, ceramic epoxy and plastic package variety for crystals offer excellent environmental and heat resistance. Applications of a crystal are found in mobile phones, clock circuit for microprocessors, GPS clocks, and ISM band radio frequency communications.

    3331 產品顯示為 Crystal Units

    个(每托盘 20 )
    HK$3.25
    RS PRO
    4MHz
    Through Hole
    18
    -
    2
    -
    -
    10.5mm
    3.2 (Dia.) x 10.5mm
    ±50ppm
    ±50ppm
    200Ω
    60°C
    -10°C
    个(每托盘 20 )
    HK$1.695
    RS PRO
    12MHz
    Surface Mount
    20pF
    SMT
    4
    3.2mm
    2.5mm
    0.7mm
    3.2 x 2.5 x 0.7mm
    ±20ppm
    ±30ppm
    100Ω
    70°C
    -20°C
    个(每托盘 25 )
    HK$1.48
    RS PRO
    4.1943MHz
    Surface Mount
    18pF
    -
    2
    12mm
    3.8mm
    4.6mm
    12 x 3.8 x 4.6mm
    ±30ppm
    ±50ppm
    130Ω
    85°C
    -40°C
    个(每托盘 20 )
    HK$6.875
    RS PRO
    32.768kHz
    Surface Mount
    12.5pF
    SMT
    2
    3.2mm
    1.5mm
    0.8mm
    3.2 x 1.5 x 0.8mm
    ±10ppm
    -
    90kΩ
    85°C
    -40°C
    个(每托盘 20 )
    HK$2.255
    RS PRO
    12MHz
    Surface Mount
    18pF
    SMT
    4
    3.2mm
    2.5mm
    0.7mm
    3.2 x 2.5 x 0.7mm
    ±20ppm
    ±30ppm
    100Ω
    85°C
    -40°C
    个(每托盘 25 )
    HK$1.48
    RS PRO
    4.9152MHz
    Surface Mount
    20pF
    -
    2
    12mm
    3.8mm
    4.6mm
    12 x 3.8 x 4.6mm
    ±30ppm
    ±50ppm
    130Ω
    70°C
    -20°C
    个(每托盘 10 )
    HK$3.50
    RS PRO
    32MHz
    Surface Mount
    10pF
    SMT
    4
    2mm
    1.6mm
    0.5mm
    2 x 1.6 x 0.5mm
    ±10ppm
    ±10ppm
    50Ω
    85°C
    -30°C
    个(每托盘 20 )
    HK$2.255
    RS PRO
    16MHz
    Surface Mount
    18pF
    SMT
    4
    3.2mm
    2.5mm
    0.7mm
    3.2 x 2.5 x 0.7mm
    ±20ppm
    ±30ppm
    80Ω
    85°C
    -40°C
    • RS庫存編號 276-3862
    • 製造零件編號 XRCGB48M000F4M00R0
    HK$1.79
    Murata
    48MHz
    Surface Mount
    6pF
    SMD
    4
    -
    -
    -
    Ammo Packmm
    3.2 x 1.6 x 1.6ppm
    -
    -
    -
    -
    • RS庫存編號 667-6206
    • 製造零件編號 Q22FA2380019411
    个(每托盘 5 )
    HK$12.86
    Epson
    25MHz
    Surface Mount
    12pF
    SMD
    4
    3.2mm
    2.5mm
    0.7mm
    3.2 x 2.5 x 0.7mm
    ±50ppm
    ±30ppm
    50Ω
    85°C
    -40°C
    • RS庫存編號 814-9507
    • 製造零件編號 QCS8.00000F18B23R
    个 (以毎袋:10)
    HK$2.37
    QANTEK
    8MHz
    Surface Mount
    18pF
    HC-49/U-S SMD
    2
    11.4mm
    4.8mm
    4.4mm
    11.4 x 4.8 x 4.4mm
    ±20ppm
    ±30ppm
    60Ω
    85°C
    -40°C
    • RS庫存編號 226-0769
    • 製造零件編號 FT5HNBPK12.0-T1
    个(每托盘 5 )
    HK$19.88
    Abracon
    12MHz
    Surface Mount
    15pF
    SMD
    4
    -
    -
    -
    5 x 3.2 x 1.5mm
    ±2.5ppm
    -
    -
    -
    -
    • RS庫存編號 236-5119
    • 製造零件編號 XRCGB32M000F1SBJR0
    HK$2.42
    Murata
    32MHz
    Surface Mount
    9pF
    SMD
    4
    -
    -
    -
    2.0 x 1.6 x 0.7mm
    -
    -
    -
    -
    -
    • RS庫存編號 813-6141
    • 製造零件編號 QC5CB25.0000F18B23R
    个 (以毎袋:5)
    HK$5.50
    QANTEK
    25MHz
    Surface Mount
    18pF
    SMD
    2
    5mm
    3.2mm
    1.1mm
    5 x 3.2 x 1.1mm
    ±20ppm
    ±30ppm
    30Ω
    85°C
    -40°C
    • RS庫存編號 813-6093
    • 製造零件編號 QC5CB8.00000F18B23R
    个 (以毎袋:5)
    HK$6.46
    QANTEK
    8MHz
    Surface Mount
    18pF
    SMD
    2
    5mm
    3.2mm
    1.1mm
    5 x 3.2 x 1.1mm
    ±20ppm
    ±30ppm
    100Ω
    85°C
    -40°C
    • RS庫存編號 187-5866
    • 製造零件編號 ABM8-32.000MHz-9-D1G-T
    个(每托盘 10 )
    HK$2.69
    Abracon
    32MHz
    Surface Mount
    9pF
    SMD
    4
    3.2mm
    2.5mm
    0.8mm
    3.2 x 2.5 x 0.8mm
    ±10ppm
    ±15ppm
    40Ω
    85°C
    -40°C
    • RS庫存編號 814-9440
    • 製造零件編號 QCL16.0000F18B23B
    个 (以毎袋:10)
    HK$3.21
    QANTEK
    16MHz
    Through Hole
    18pF
    HC-49/U-S
    2
    11.05mm
    4.65mm
    3.5mm
    11.05 x 4.65 x 3.5mm
    ±20ppm
    ±30ppm
    40Ω
    85°C
    -40°C
    • RS庫存編號 301-318P
    • 製造零件編號 ECS-120-20-30B-TR
    个 (以每卷裝提供)
    HK$4.87
    ECS Inc International
    12MHz
    Surface Mount
    20pF
    SMD
    4
    -
    -
    -
    5 x 3.2mm
    -
    -
    -
    -
    -
    • RS庫存編號 667-6195
    • 製造零件編號 Q24FA20H0004411
    HK$9.60
    Epson
    16MHz
    Surface Mount
    9pF
    SMD
    4
    2.5mm
    2mm
    0.55mm
    2.5 x 2 x 0.55mm
    ±10 → ±30ppm
    ±10 → ±30ppm
    80Ω
    85°C
    -40°C
    • RS庫存編號 693-8819
    • 製造零件編號 16.000MHz HC49/4H/30/50/-40+85/18pF/ATF
    HK$3.80
    Euroquartz
    16MHz
    Through Hole
    18pF
    HC-49-4H
    2
    10.77mm
    4.34mm
    3.5mm
    10.77 x 4.34 x 3.5mm
    ±30ppm
    ±3ppm
    40Ω
    85°C
    -40°C
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